Finest grade nylon is utilized in our frames to create lightweight, incredibly durable and ultimately flexible frames. Comfortable hydrophilic nose pads and temle tips keep sunglasses firmly in place. Lightweight, premium-grade resin that's 20 times more impact resistant than glass-and three times lighter Armor shell on both sides of the lens to protect against scratches. All purpose lens. Amber lens with enhanced contrast. Fit: Medium Bolle Piranha Sunglasses are perfect for laid-back, everyday wear. With their sophisticated metal frames and progressive wrap-around frames, you don't have to be doing anything at all to look good. Bolle sunglasses feature thermogrip rubber temples and nose pads with moisture-absorbing properties that give you solid yet soft adhesion at all times. Bolle is using the finest grade nylon available for sunglasses frames. It makes sunglass from Piranha Line by Bolle extremely strong, yet lightweight and flexible. All Bolle lenses exceed American National Standards Institute (ANSI) requirements for UV protection, impact-resistance and optical clarity. Polarized Amber Lens with Enhanced Contrast, Dark Tortoise Frames. Fit Medium